范性位移 的英文怎麼說

中文拼音 [fànxìngwèi]
范性位移 英文
plastic displacement
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 范性 : plastic behaviour
  1. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了電感傳感器的結構、測量機理以及其整個測量系統的系統架構,並通過試驗認真分析了傳統的電感傳感器精密測量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感傳感器測量系統穩定不高,線測量圍小等不足之處進行了改進。
  2. If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism

    若能在簡單磁場的條件下利用霍爾元件測量,增加測量圍;它慣小、非接觸的優點將使它在各種與振動的測量中發揮作用,成為一種能優良的傳感器。採用反饋隨動機構可解決這個困難。
  3. The rational spectrums of all kinds of virtual displacement definitions and commutativity of d, ? operations are given and testified in this paper. the research methods of intrinsical linear nonholonomic dynamics are similar to those of holonomic dynamics. the rationality and equivalence of chetaev model and vacco model in the intrinsical linear nonholonomic system are testified from the mathematic and mechanical aspects

    本文研究了非完整動力學中使不定問題確定化的交換關系和將非線問題線化的虛定義,首次證明並給出了在非完系統中各種虛定義與交換關系的合理適用圍,指出完整動力學與本質線非完整動力學在研究方法上具有相同
  4. The dynamic data of displacement, strain and impetus force acquired from the experimental collection system are also well analyzed for measuring precision and errors. based on the underlying work and experimental features, the thesis proposes a simple, practical and well accurate impetus resultant force fitting method, weighted factor fitting method. a line - off data processing software system for bird - impact experiment, named as cadabie, is well designed under the principle of software engineering, and has been applied, with high praise, in bird - impact laboratory in the factory numbered 320 and esfahan bird - impact laboratory of iran

    本文系統總結了鳥撞實驗的全部過程、主要儀器設備的工作原理與能參數,分析了鳥撞實驗動態數據採集系統中、應變與撞擊壓力傳感器測量系統的測量圍、測量精度及其工作特點,提出了一種更適合鳥撞實驗的撞擊合力計算擬合方法:加權因子法,同時應用軟體工程原理編制了「鳥撞實驗計算西北工業大學博士論文機數據分析系統」 ( caoabie ) ,目前該軟體己經在320廠鳥撞實驗室以及
  5. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定等特進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向置成高斯變化規律,測量圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光傳感器的測量圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  6. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規)定義的筋土界面摩擦阻力系數數值相差較大,但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同(規)定義而受到影響。
  7. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能量法和麥克斯韋張量法推導電磁力的計算公式,並討論他們的不同應用圍; ( 2 )分別用等效磁路法和有限元法作直線力電機的靜特分析,並比較分析它們的計算結果; ( 3 )用有限元模擬軟體做直線力電機動態特的模擬,分別分析直線力電機的頻率特、動子開合閘特和開環置控制的工作特; ( 4 )做直線力電機的靜推力?實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確
  8. The present findings of nonlinear research in frame structures, and the methods for design of second - order effect in the codes from china and other countries, were briefly introduced in this paper. the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well. a rotational displacement equation for geometric nonlinear structures was derived, and then a nonlinear finite element program for rigid frames was compiled by fortran

    本文簡要地介紹了框架結構非線研究的現狀以及各國規對框架二階效應的設計內容和方法;對我國《鋼結構設計規》 gb50017 - 2003給出的考慮框架結構二階效應的方法進行了探討;推導了基於幾何非線框架的轉角方程,在此理論基礎上用fortran語言編制了剛框架二階內力分析的有限元計算程序,並用此結構分析程序對多種框架進行了一階和二階的彈分析,討論了二階效應在框架分析中不應忽略的原因,同時分析了影響框架二階效應的因素。
  9. The probability of being or exceeding a given damage state of buildings by a given ground motion intensity is calculated from the spectral displacement corresponding to the intersecting point of the demand spectrum and the capacity curve, the median value of spectral displacement at which the building reaches the threshold of the damage state and the standard deviation of natural logarithm of spectral displacement of the damage state

    文中,討論了非彈需求譜的推算,將現行抗震設計規中規定的反應譜換算得到的彈需求按對應的譜折減,得到非彈需求譜。依對應的譜在四個需求譜上的四個點和原點,構造了典型建築物的抗力曲線。
  10. Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research

    文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈三層體系應力顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣應用於多層體系,滿足工程設計和有關理論研究的需要
  11. A bearing surface transmits the interaction between an arch dam and its foundation, the strength of which directly affects the constraint of the bedrock to the dam, and thus affects the stress and deformation of the dam. the influence is studied in this paper with nonlinear finite element method, as an example, for a high arch dam in design. the results show that the influence on stress is only limited within the local area near the bearing surface, larger on the maximum principal tensile stress than on the principal compression stress, and the decrease of the strength does not cause unlimited increase of the maximum stress. the influence on the displacement of the top of the dam is smaller than that of the bottom of the dam, especially the relative downstream displacement. at the lower strength of the bearing surface, the relative downstream displacement at the bottom of the dam increases with the decrease of the strength

    建基面是傳遞拱壩和基巖相互作用的紐帶,它的強度直接影響基巖對壩體的約束,從而影響壩體的應力和變形.採用非線有限單元法,以設計中的某高拱壩為例,分析建基面強度對壩體應力和變形的影響.結果表明建基面強度對壩體應力的影響僅限於建基面附近的局部圍,對最大主拉應力的影響要大於對最大主壓應力的影響,建基面強度的降低不會無限地增大壩體的應力數值;建基面強度對壩頂的影響較小,但對壩底(尤其是順河向相對)的影響較大,當建基面強度較低時,壩底順河向相對隨建基面強度的降低而增大
  12. Morever, the author studys the method of incremental dynamic analysis and apply this method to the seismic performance of structures. in the static pushover analysis, basic concepts and different application methods of the static nonlinear pushover analysis are summarized, some key problems of the static nonlinear pushover analysis are improved, that is, the instantaneous adaptive lateral load pattern is gained by the internal force of the structure and the target displacement is obtained by combining the capacity spectrum method with the code response spectrum

    在非線靜力分析中,綜合闡述了pushover分析的理論基礎和不同的具體應用方法,並在pushover方法的關鍵問題荷載分佈模式和目標的確定上提出新的方法,即由結構受力反推得到的瞬時的適應的荷載分佈模式和結合中國抗震規反應譜的能力譜法確定目標的方法。
  13. Specification format guide and test procedure for nongyroscopic inertial angular sensors ; jerk, acceleration, velocity, and displacement

    非回轉慣角度傳感器急跳加速度速度和的規格式指南
  14. Coupling beams between openings are the main plastic energy dissipation elements of coupled walls, but whether short coupling beams could ensure that shear failure would n ' t take place before coupling beams have reached certain displacement ductility or not, is still a problem of engineering which has n ' t been solved and is one of the critical problem of the code for design of concrete structures which remains to be solved

    洞口連系梁是聯肢剪力墻的主要塑耗能構件,但跨高比較小的連梁是否能保證在達到一定的之前不出現剪切失效,仍是目前我國工程界未解決好的問題,也是我國《混凝土結構設計規》遺留下來有待解決的關鍵問題之一。
  15. The long period cyclic tests of four specimens near to sufficient dimension made by the master cao yunfeng prove that the reinforcement arrangement scheme can obtain favorable displacement ductility and plastic energy dissipation capacity for the coupling beams with the small aspect ratio of 1. 0. to go deep into the research further, this thesis concentrates on the two aspects following : ( 1 ) the author of this thesis carries out the long period cyclic test of five specimens near to sufficient dimension to further verify : 1 ) the probability that the upper limit of shear - resistant ability increases to vu = 0. 2fcbh0 or higher

    0的,且耗能能力良好:在跨高比為0 . 8一1 . 25的圍內,連梁都依然保持上述良好能;配筋比例應以對角斜筋為主,一組「 l 」形斜筋用量與單向對角斜筋用量的比值宜控制在0 . 35一0 . 55的圍內;通過對曹雲峰的試驗與本文試驗的綜合分析,表明cz于c45的混凝土強度等級都是可用的,未發現混凝土強度在這一圍內偏高或偏低時可能帶來什麼不利影響。
  16. Under the careful retrospection and analysis on the previous and recent experiments about mechanical behavior of nanocrystalline metals performed by almost main investigators, the dislocation and atomic diffusion is believed to contribute hardly to the deformation of nanocrystalline alloy, and a model based on thermal activation process was applied to fit the experimental data of nanocrystalline ag

    結果表明,納米晶金屬ag的不僅具有比粗晶ag高2 - 6倍的拉伸和壓縮強度,而且在大形變階段顯示了極低的加工硬化和應變速率敏感。結合錯理路和非晶合金形變特徵,提出納米晶金屬ag的塑變形主要由於晶界滑貢獻。
  17. Based on " lagging 30 - a commutation ", the " lagging 90 - a commutation " method is brought forward to overcome the shortages existing in the traditional zero bemf, then the rang of a is expanded and the reliability of commutation is increased

    針對該檢測方法中的相延遲角問題,在原有的「延遲30 ?換相原理」的基礎上,利用「 90 ?換相原理」對其進行改進,增加了相的取值圍,提高了電機換相時的可靠
  18. After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates

    本文根據我國規的有關規定,自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型,對不同構件尺寸的樑柱腹板剛連接節點在單向荷載作用下的反應進行了研究,從結構的mises應力等值線示意圖、梁端加載處的荷載? ?曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析,從而得出了不同構件尺寸的樑柱腹板剛連接的在受力行為上的結論:增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力能:提高節點的承載能力;減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象,從而避免試件過早地發生破壞。
  19. Afterwards, a duffing system with delayed displacement feedback is studied by the method of multiple scales and other numerical methods. the uniform formulas for computing the critical values of time delay are given and the global diagrams of bifurcation for the periodic solutions with respect to the time delay are obtained under different parametric combinations. it is shown that the hopf bifurcation and the saddle - node bifurcation are the only two types of bifurcation observed in such a system

    接下來用多尺度法及數值方法研究了一具有時滯反饋的duffing系統的動力學,得到了不同參數下系統平衡點發生穩定切換時的臨界時滯計算公式及關于時滯的大圍hopf分叉圖,並發現saddle - node分叉及hopf分叉是系統出現周期運動的兩個主要的來源。
  20. Aimed at the present code of structure design without the specific method of frail - layer check computations of frame structures in high vibration areas, this article provides the parameter modifying method for the checking according to different regulations of earthquake parameter and by deducing and contrasting the relation of elasticity and plasticity displacement angle limitation of several earthquakes from the given conditions of present code

    摘要針對現行結構設計規中沒有明確給出高震區框架結構薄弱層驗算具體方法的情況,從規給定的條件入手,通過時大、小地震下彈、彈塑角限值關系的推導和對比,提出了在高震區框架結構薄弱層驗算中進行參數修正的方法。
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